Re: Data replication through disk replication - Mailing list pgsql-general

From Thomas Lopatic
Subject Re: Data replication through disk replication
Date
Msg-id 46501C8A.3020105@lopatic.de
Whole thread Raw
In response to Re: Data replication through disk replication  (Andrew Sullivan <ajs@crankycanuck.ca>)
Responses Re: Data replication through disk replication
Re: Data replication through disk replication
Re: Data replication through disk replication
List pgsql-general
> So what happens in those cases where the primary node gets in trouble
> but isn't actually dead yet?

Hmmm. Is this really a problem? Couldn't the secondary DRBD node simply
stop accepting replicated data from the primary node before firing up
postmaster? Then the postmaster on the primary DRBD node would only
write locally and not interfere with the secondary DRBD node.

Unless I am missing something this would be a valid problem with shared
storage but not with DRBD-like replicated storage. (As long as the
secondary node can stop replicating if it decides to do so.)

-Thomas

pgsql-general by date:

Previous
From: novnov
Date:
Subject: Trigger function which inserts into table; values from lookup
Next
From: Andrew Sullivan
Date:
Subject: Re: Data replication through disk replication